.flex-c {
    display: flex;
    justify-content: center;
    align-items: center;
}
.flex {
    display: flex;
}
.flex-1 {
    flex: 1;
}
.between {
    justify-content: space-between;
}
.around {
    justify-content: space-around;
}
.column {
    flex-direction: column;
}
.ju-c_f-e {
    justify-content: flex-end;
}
.j-start {
    justify-content: flex-start;
}
.ju-c_c {
    justify-content: center;
}

.f-s {
    flex-shrink: 0;
}

.f-w_w {
    flex-wrap: wrap;
}

.ju-c_s-e {
    justify-content: space-evenly;
}

.ju-c_s-b {
    justify-content: space-between;
}

.a-end {
    align-items: flex-end;
}
.a-start {
    align-items: flex-start;
}
.a-i_c {
    align-items: center;
}

.t-c {
    text-align: center;
}

.po-r {
    position: relative;
}

.po-a {
    position: absolute;
}

.po-f {
    position: fixed;
}

.po-center {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
}

.po-a-c {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
